Posted by AISHWARYA KATRE on Thursday, December 22, 2011 at 1:12pm.
GENERAL SOL.SINtheta = 1/2

MATHS  Steve, Thursday, December 22, 2011 at 4:05pm
sinθ = 1/2 means that
sinθ = 1/2 or sinθ = 1/2
sinθ = 1/2 in 1st and 2nd quadrants.
sinθ = 1/2 in 3rd and 4th quadrants
So, θ = nπ ± π/6 for any integer n.